20785048635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1\times {\mathrm{4259}}^1$

素因数の和:5172

約数の個数: 64

約数和(自身を含む): 37100851200

約数和(自身を除く): 16315802565

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 863, 1131, 1885, 2589, 4259, 4315, 5655, 11219, 12777, 12945, 21295, 25027, 33657, 55367, 56095, 63885, 75081, 123511, 125135, 166101, 168285, 276835, 325351, 370533, 375405, 617555, 830505, 976053, 1605643, 1626755, 1852665, 3675517, 4816929, 4880265, 8028215, 11026551, 18377585, 24084645, 47781721, 55132755, 106589993, 143345163, 238908605, 319769979, 532949965, 716725815, 1385669909, 1598849895, 4157009727, 6928349545, 20785048635]

約数ペア:

[(1, 20785048635), (3, 6928349545), (5, 4157009727), (13, 1598849895), (15, 1385669909), (29, 716725815), (39, 532949965), (65, 319769979), (87, 238908605), (145, 143345163), (195, 106589993), (377, 55132755), (435, 47781721), (863, 24084645), (1131, 18377585), (1885, 11026551), (2589, 8028215), (4259, 4880265), (4315, 4816929), (5655, 3675517), (11219, 1852665), (12777, 1626755), (12945, 1605643), (21295, 976053), (25027, 830505), (33657, 617555), (55367, 375405), (56095, 370533), (63885, 325351), (75081, 276835), (123511, 168285), (125135, 166101)]